<?php

namespace app\common\library;

use app\common\model\Store;
use fast\Random;
use think\Config;
use think\Db;
use think\Hook;
use think\Request;
use think\Validate;

class Auth_store
{

    protected static $instance = null;
    protected $_error = '';
    protected $_logined = FALSE;
    protected $_supplier = NULL;
    protected $_token = '';
    //Token默认有效时长
    protected $keeptime = 2592000;
    protected $requestUri = '';
    protected $rules = [];
    //默认配置
    protected $config = [];
    protected $options = [];
    protected $allowFields = ['id','is_scenic','store_name','username','openid','phone', 'avatar','balance','rebate','poster'];

    public function __construct($options = [])
    {
        if ($config = Config::get('user'))
        {
            $this->options = array_merge($this->config, $config);
        }
        $this->options = array_merge($this->config, $options);
    }

    /**
     * 
     * @param array $options 参数
     * @return Auth
     */
    public static function instance($options = [])
    {
        if (is_null(self::$instance))
        {
            self::$instance = new static($options);
        }

        return self::$instance;
    }

    /**
     * 获取Store模型
     * @return Store
     */
    public function getStore()
    {
        return $this->_store;
    }

    /**
     * 兼容调用store模型的属性
     * 
     * @param string $name
     * @return mixed
     */
    public function __get($name)
    {
        return $this->_store ? $this->_store->$name : NULL;
    }

    /**
     * 根据Token初始化
     *
     * @param string       $token    Token
     * @return boolean
     */
    public function init($token)
    {
        if ($this->_logined)
        {
            return TRUE;
        }
        if ($this->_error)
            return FALSE;
        $data = Token_store::get($token);
        
        if (!$data)
        {
            return FALSE;
        }
        $store_id = intval($data['store_id']);
        if ($store_id > 0)
        {
            $store = Store::get($store_id);

            if (!$store)
            {
                $this->setError('Account not exist');
                return FALSE;
            }
            if ($store['status'] != 'normal')
            {
                $this->setError('Account is locked');
                return FALSE;
            }
            $this->_store = $store;
            $this->_logined = TRUE;
            $this->_token = $token;

            //初始化成功的事件
            Hook::listen("user_init_successed", $this->_store);

            return TRUE;
        }
        else
        {
            $this->setError('You are not logged in');
            return FALSE;
        }
    }


    /**
     * 用户登录
     *
     * @param string    $account    账号,用户名、邮箱、手机号
     * @param string    $password   密码
     * @return boolean
     */
    public function login($account, $password)
    {   
        $field = Validate::is($account, 'email') ? 'email' : (Validate::regex($account, '/^1\d{10}$/') ? 'phone' : 'username');
        $store = Store::get([$field => $account]);
        if (!$store)
        {   
            $this->setError('Account is incorrect');
            return FALSE;
        }

        if ($store->status != 'normal')
        {
            $this->setError('Account is locked');
            return FALSE;
        }
        if ($store->password != $this->getEncryptPassword($password, $store->salt))
        {
            $this->setError('Password is incorrect');
            return FALSE;
        }

        //直接登录会员
        $this->direct($store->id);

        return TRUE;
    }

    /**
     * 注销
     * 
     * @return boolean
     */
    public function logout()
    {
        if (!$this->_logined)
        {
            $this->setError('You are not logged in');
            return false;
        }
        //设置登录标识
        $this->_logined = FALSE;
        //删除Token
        Token_store::delete($this->_token);
        //注销成功的事件
        Hook::listen("store_logout_successed", $this->_store);
        return TRUE;
    }

    /**
     * 修改密码
     * @param string    $newpassword        新密码
     * @param string    $oldpassword        旧密码
     * @param bool      $ignoreoldpassword  忽略旧密码
     * @return boolean
     */
    public function changepwd($newpassword, $oldpassword = '', $ignoreoldpassword = false)
    {
        if (!$this->_logined)
        {
            $this->setError('You are not logged in');
            return false;
        }
        //判断旧密码是否正确
        if ($this->_store->password == $this->getEncryptPassword($oldpassword, $this->_store->salt) || $ignoreoldpassword)
        {
            $salt = Random::alnum();
            $newpassword = $this->getEncryptPassword($newpassword, $salt);
            $this->_store->save(['password' => $newpassword, 'salt' => $salt]);

            Token_store::delete($this->_token);
            //修改密码成功的事件
            Hook::listen("store_changepwd_successed", $this->_store);
            return true;
        }
        else
        {
            $this->setError('Password is incorrect');
            return false;
        }
    }

    /**
     * 直接登录账号
     * @param int $user_id
     * @return boolean
     */
    public function direct($store_id)
    {
        $store = Store::get($store_id);
        if ($store)
        {

            $ip = request()->ip();
            $time = time();
             
            //判断连续登录和最大连续登录
            if ($store->logintime < \fast\Date::unixtime('day'))
            {
                $store->successions = $store->logintime < \fast\Date::unixtime('day', -1) ? 1 : $store->successions + 1;
                $store->maxsuccessions = max($store->successions, $store->maxsuccessions);
            }

            $store->prevtime = $store->logintime;
            //记录本次登录的IP和时间
            $store->loginip = $ip;
            $store->logintime = $time;

            $store->save();

            $this->_store = $store;
            //清除Token
            if ($store->id != 2) {
                Token_store::clear($store->id);
            }
            // Token_store::clear($store->id);
            $this->_token = Random::uuid();
            Token_store::set($this->_token, $store->id, $this->keeptime);

            $this->_logined = TRUE;

            //登录成功的事件
            Hook::listen("store_login_successed", $this->_store);
            return TRUE;
        }
        else
        {
            return FALSE;
        }
    }



    /**
     * 判断是否登录
     * @return boolean
     */
    public function isLogin()
    {
        if ($this->_logined)
        {
            return true;
        }
        return false;
    }

    /**
     * 获取当前Token
     * @return string
     */
    public function getToken()
    {
        return $this->_token;
    }

    /**
     * 获取供应商基本信息
     */
    public function getStoreinfo()
    {
        $data = $this->_store->toArray();
        $allowFields = $this->getAllowFields();
        $storeinfo = array_intersect_key($data, array_flip($allowFields));
        $storeinfo = array_merge($storeinfo, Token_store::get($this->_token));

        return $storeinfo;
    }


    /**
     * 获取当前请求的URI
     * @return string
     */
    public function getRequestUri()
    {
        return $this->requestUri;
    }

    /**
     * 设置当前请求的URI
     * @param string $uri
     */
    public function setRequestUri($uri)
    {
        $this->requestUri = $uri;
    }

    /**
     * 获取允许输出的字段
     * @return array
     */
    public function getAllowFields()
    {
        return $this->allowFields;
    }

    /**
     * 设置允许输出的字段
     * @param array $fields
     */
    public function setAllowFields($fields)
    {
        $this->allowFields = $fields;
    }



    /**
     * 获取密码加密后的字符串
     * @param string $password  密码
     * @param string $salt      密码盐
     * @return string
     */
    public function getEncryptPassword($password, $salt = '')
    {
        return md5(md5($password) . $salt);
    }

    /**
     * 检测当前控制器和方法是否匹配传递的数组
     *
     * @param array $arr 需要验证权限的数组
     * @return boolean
     */
    public function match($arr = [])
    {
        $request = Request::instance();
        $arr = is_array($arr) ? $arr : explode(',', $arr);
        if (!$arr)
        {
            return FALSE;
        }
        $arr = array_map('strtolower', $arr);
        // 是否存在
        if (in_array(strtolower($request->action()), $arr) || in_array('*', $arr))
        {
            return TRUE;
        }

        // 没找到匹配
        return FALSE;
    }

    /**
     * 设置会话有效时间
     * @param int $keeptime 默认为永久
     */
    public function keeptime($keeptime = 0)
    {
        $this->keeptime = $keeptime;
    }

    /**
     * 渲染用户数据
     * @param array     $datalist   二维数组
     * @param mixed     $fields     加载的字段列表
     * @param string    $fieldkey   渲染的字段
     * @param string    $renderkey  结果字段
     * @return array
     */
    public function render(&$datalist, $fields = [], $fieldkey = 'store_id', $renderkey = 'storeinfo')
    {
        $fields = !$fields ? ['id', 'store_name',  'avatar'] : (is_array($fields) ? $fields : explode(',', $fields));

        $ids = [];
        foreach ($datalist as $k => $v)
        {
            if (!isset($v[$fieldkey]))
                continue;
            $ids[] = $v[$fieldkey];
        }
        $list = [];
        if ($ids)
        {
            if (!in_array('id', $fields))
            {
                $fields[] = 'id';
            }
            $ids = array_unique($ids);
            $selectlist = Store::where('id', 'in', $ids)->column($fields);
            foreach ($selectlist as $k => $v)
            {
                $list[$v['id']] = $v;
            }
        }
        foreach ($datalist as $k => &$v)
        {
            $v[$renderkey] = isset($list[$v[$fieldkey]]) ? $list[$v[$fieldkey]] : NULL;
        }
        unset($v);
        return $datalist;
    }

    /**
     * 设置错误信息
     *
     * @param $error 错误信息
     * @return Auth
     */
    public function setError($error)
    {
        $this->_error = $error;
        return $this;
    }

    /**
     * 获取错误信息
     * @return string
     */
    public function getError()
    {
        return $this->_error ? __($this->_error) : '';
    }

}
